Fix the TLS verifier to support different fingerprint algos
Fix the TLS verifier to support different fingerprint algos

It was hard baked to sha512.  Now use sha256 if auto-adding,
and use the stored algo as indicator instead.

jjohnson42/confluent,xcat2/confluent,jjohnson42/confluent,xcat2/confluent,xcat2/confluent,jjohnson42/confluent,xcat2/confluent,whowutwut/confluent,whowutwut/confluent,jjohnson42/confluent,whowutwut/confluent,jjohnson42/confluent,whowutwut/confluent,xcat2/confluent